# class Person:
#     def __init__(self,name,age):
#         self.name=name
#         self.age=age
#     def chaocai(self,cai):
#         print(self.name,'在抄',cai)
#     def xiyifu(self,yifu):
#         print(self.name,self.age,'在洗',yifu)

def func(a):
    a=a+'2'
    a=a*2
    print(a)
def printinfo(name,age=35):
    print('name',name)
    print('age',age)

if __name__ == '__main__':
    func('hello')
    printinfo(60,'zhangsna')